SYSTEMS AND METHODS FOR DETERMINING LOCATIONS OF WIRELESS SENSOR NODES IN A TREE NETWORK ARCHITECTURE HAVING MESH-BASED FEATURES
First Claim
1. A system, comprising:
- a hub having one or more processing units and RF circuitry for transmitting and receiving communications in the wireless asymmetric network; and
a plurality of sensor nodes each having a wireless device with a transmitter and a receiver to enable bi-directional communications with the hub in the wireless asymmetric network architecture, wherein the one or more processing units of the hub to execute instructions to configure the system with a tree architecture for communications between the hub and the plurality of sensor nodes, to detect a change in range or position of at least one sensor node, and to configure the system temporarily with a mesh-based architecture for determining location information for the plurality of sensor nodes based on detecting a change in range or position.
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Abstract
Systems and methods for determining locations of wireless sensor nodes in a tree network architecture having mesh-based features are disclosed herein. In one embodiment, a system includes a hub having one or more processing units and RF circuitry for transmitting and receiving communications with sensor nodes to enable bi-directional communications. The one or more processing units of the hub execute instructions to configure the system with a tree architecture for communications between the hub and the sensor nodes, to detect a change in range or position of at least one sensor node, and to configure the system temporarily with a mesh-based architecture for determining location information for the sensor nodes based on detecting a change in range or position.
136 Citations
20 Claims
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1. A system, comprising:
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a hub having one or more processing units and RF circuitry for transmitting and receiving communications in the wireless asymmetric network; and a plurality of sensor nodes each having a wireless device with a transmitter and a receiver to enable bi-directional communications with the hub in the wireless asymmetric network architecture, wherein the one or more processing units of the hub to execute instructions to configure the system with a tree architecture for communications between the hub and the plurality of sensor nodes, to detect a change in range or position of at least one sensor node, and to configure the system temporarily with a mesh-based architecture for determining location information for the plurality of sensor nodes based on detecting a change in range or position. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An apparatus, comprising:
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a memory for storing instructions; one or more processing units to execute instructions for localization of nodes in a wireless network architecture; and radio frequency (RF) circuitry to transmit communications to and receive communications from a plurality of sensor nodes each having a wireless device with a transmitter and a receiver to enable bi-directional communications with the RF circuitry of the apparatus in the wireless network architecture, wherein the one or more processing units execute instructions to configure the wireless network architecture with a tree architecture for communications between the apparatus and the plurality of sensor nodes, to detect a change in range or position of at least one of the plurality of sensor nodes, and to configure the wireless network architecture temporarily with a mesh-based architecture for determining location information for the plurality of sensor nodes based on detecting a change in range or position. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A computer-implemented method for localization of nodes in a wireless network, comprising:
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causing, with processing logic of a hub, the wireless network having nodes to be configured as a mesh-based network architecture for a time period; determining, with the processing logic of the hub, localization of at least two nodes using at least one of time of flight and signal strength techniques; upon localization of the at least two nodes being complete, terminating, with the processing logic of the hub, time of flight measurements if any time of flight measurements are occurring; and causing, with the processing logic of the hub, the wireless network to be configured in a tree based or tree-like network architecture upon completion of localization. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification